CN115784825B - Fly sheet detonator with built-in cavity - Google Patents
Fly sheet detonator with built-in cavity Download PDFInfo
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- CN115784825B CN115784825B CN202211670141.5A CN202211670141A CN115784825B CN 115784825 B CN115784825 B CN 115784825B CN 202211670141 A CN202211670141 A CN 202211670141A CN 115784825 B CN115784825 B CN 115784825B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a fly sheet detonator with a built-in cavity, belonging to the technical field of blasting equipment, comprising: the invention relates to a detonator, which comprises a shell, a tube body and a reinforcing cap, wherein the tube body is arranged in the shell, a thin gauze is arranged on one side of the tube body adjacent to the Taian explosive, and the tube body is arranged between a piston and the Taian explosive.
Description
Technical Field
The invention relates to the technical field of blasting equipment, in particular to a fly-sheet detonator with a built-in cavity.
Background
The flyer detonator mainly comprises a flyer formed by the explosive in a piston being excited and burned by the outside to generate high-temperature high-pressure gas, wherein the high-pressure gas shears the piston to form a flyer, the flyer impacts the explosive close to the piston to explode, and the explosion shock wave is transferred to the lowest explosive to explode, so that the detonator explosion is completed;
a certain displacement distance is required from the generation of the flyer to the generation of the impact explosive to generate the maximum kinetic energy, and for this purpose, a certain distance from the bottom of the piston to the explosive is required to be kept, namely, the distance between the piston and the too-safe explosive is kept through the cavity in fig. 1;
the methods adopted at present are mainly as follows:
1. the height of the piston is increased to form a certain distance between the bottom of the piston and the explosive, but the method can lead the detonator to be detonated vertically, and a gap is formed between the explosive and the explosive during inverted detonation, so that the detonator is half-exploded or the perforation is small;
2. the gap is formed between the piston and the explosive, namely the materials such as foam and perlite are filled in the cavity in fig. 1, but the mode of adding the materials such as foam is not easy to fill in the detonator shell due to the small specific gravity of the materials, and the filling materials such as foam can block the speed of the flyer, so that the kinetic energy of the flyer is weakened, and the filling materials such as foam can block high-temperature and high-pressure gas, so that the capability output is influenced, and the semi-explosion of the detonator is caused.
Disclosure of Invention
The invention aims to provide a fly-sheet detonator with a built-in cavity, which solves the problems of inverted semi-explosion of a piston and influence on energy output of the detonator caused by artificial filling of materials such as foam and the like in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a built-in cavity flying piece detonator comprising: a tube shell, a tube body and a reinforcing cap;
the utility model discloses a high explosive tube, including the pipe body, the inside of pipe body and be located the rear of pipe body are filled respectively and are had first strong explosive, second strong explosive and too ampere explosive, the pipe body with the adjacent one side of too ampere explosive is equipped with the gauze, just the gauze with the pipe body passes through plastics extruder extrusion, the inside of pipe body just is located the piston is installed in the place ahead of pipe body, the inside of piston is filled with the explosive, strengthen the cap install in the inside of pipe body just be located the place ahead of piston.
As a further preferred aspect of the present invention: the second high explosive is filled in front of the first high explosive, the Taian explosive is filled in front of the second high explosive, the density of the explosive from left to right can be guaranteed through the arrangement, the explosion speed is gradually increased, and the explosion effect of the detonator is achieved.
As a further preferred aspect of the present invention: the density of the Taian explosive, the second high explosive and the first high explosive is gradually increased from left to right, the explosive density is firstly increased from low to high through the arrangement, the explosion speed is increased along with the increase of the density, the booster stability is also improved along with the increase of the density, and when the explosive density reaches the optimal value, the explosion speed and the energy output reach the maximum value.
As a further preferred aspect of the present invention: the manufacturing material of the pipe body adopts a high polymer material, and the high polymer material comprises plastics, polyoxymethylene, polycarbonate and the like.
As a further preferred aspect of the present invention: the gauze is made of cotton, terylene and high polymer materials, and has the advantages of high strength, good air permeability and the like, and the terylene gauze has the advantages of high strength, strong elastic recovery capability and the like.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the pipe body is arranged between the piston and the too-safe explosive, the flying piece can be ensured to have a certain acceleration space by virtue of the cavity formed in the pipe body in an integrated manner, so that the maximum kinetic energy is formed, the situation of gaps generated among the explosives in the inverted detonation process can be effectively prevented by utilizing the gauze arranged on the built-in pipe body, and the arrangement of the gauze has an negligible attenuation effect on the speed of the flying piece, so that the kinetic energy of the flying piece is not reduced, the kinetic energy of the flying piece is utilized to the greatest extent, the arranged gauze can not block high-temperature and high-pressure gas, and therefore, the energy of the flying piece and the energy generated by the high-temperature and high-pressure gas are fully utilized, and the explosion effect of the detonator is effectively ensured.
Drawings
FIG. 1 is a schematic diagram of a cross-sectional structure of a conventional flying detonator;
FIG. 2 is a schematic cross-sectional view of a flying piece detonator with a built-in cavity;
FIG. 3 is a schematic diagram of a side view connection structure of a tube body and a tissue web in a built-in cavity type flying piece detonator of the present invention;
fig. 4 is a schematic diagram of a cross-sectional connection structure of a tube body and a tissue web in a built-in cavity type flying piece detonator according to the present invention.
In the figure: 1. a tube shell; 2. a first high explosive; 3. a second high explosive; 4. a taian explosive; 5. a tube body; 6. bao Shawang; 7. a piston; 8. an explosive; 9. reinforcing the cap.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 2-4, the present invention provides a technical solution: a built-in cavity flying piece detonator comprising: a tube shell 1, a tube body 5 and a reinforcing cap 9;
the body 5 is installed in the inside of casing 1, the inside of casing 1 just is located the rear of body 5 and is filled with first high explosive 2, second high explosive 3 and too ann explosive 4 respectively, the adjacent one side of body 5 and too ann explosive 4 is equipped with gauze 6, and gauze 6 passes through plastic extruder extrusion with body 5, piston 7 is installed in the inside of casing 1 and in the place ahead of body 5, the inside of piston 7 is filled with explosive 8, reinforcing cap 9 is installed in the inside of casing 1 and is located the place ahead of piston 7.
In this embodiment, specific: by means of the cavity formed in the tube body 5, the flying piece can be guaranteed to have a certain acceleration space so as to form maximum kinetic energy, and the arrangement of the tissue 6 can effectively prevent the situation of gaps among explosives during inverted detonation;
in this embodiment, specific: the gauze 6 has a tiny weakening effect on the speed of the flyer, so that the kinetic energy of the flyer is not reduced, the kinetic energy of the flyer is utilized to the maximum extent, and the arranged gauze 6 does not obstruct high-temperature and high-pressure gas, so that the energy of the flyer and the energy generated by the high-temperature and high-pressure gas are fully utilized.
In this embodiment, specific: the reinforcing cap 9 is used for forming a closed explosive chamber in the tube shell 1, so that the constraint condition of each explosive in detonation is reinforced, and the integral detonating capacity of the detonator is effectively improved.
In this embodiment, specific: the second high explosive 3 is filled in front of the first high explosive 2, the Taian explosive 4 is filled in front of the second high explosive 3, and the density of the explosive from left to right can be ensured to be low to high through the arrangement, so that the explosion speed is gradually increased, and the explosion effect of the detonator is realized.
In this embodiment, specific: the density of the too-safe explosive 4, the second high explosive 3 and the first high explosive 2 is gradually increased from left to right, the explosive density is firstly increased from low to high through the arrangement, the explosion speed is increased along with the increase of the density, the booster stability is also improved along with the increase of the density, and when the explosive density reaches the optimum, the explosion speed and the energy output reach the maximum value.
In this embodiment, specific: the pipe body 5 is made of high polymer materials including plastics, polyoxymethylene, polycarbonate and the like.
In this embodiment, specific: the gauze 6 is made of cotton, terylene and high polymer materials, the gauze 5 made of cotton has the advantages of high strength, good air permeability and the like, and the gauze 6 made of terylene has the advantages of high strength, strong elastic recovery capability and the like.
Principle of operation or principle of structure: through having built-in a body 5 between piston 7 and the too ampere explosive 4, utilize the cavity of body 5 inside integrated into one piece, can guarantee that the flyer has certain acceleration space, thereby form maximum kinetic energy, the condition in the space that produces between each explosive when setting up on built-in body 5 this moment can effectively prevent to stand upside down detonating, and the setting of gauze 6 has negligible effect of weakening to the flyer's speed, therefore the kinetic energy of flyer has not also been reduced, with its kinetic energy of maximize, the gauze 6 of setting can not separate high temperature high pressure gas, thereby the energy of flyer and the energy that high temperature high pressure gas produced have been fully utilized, in order to effectively guarantee the explosive effect of detonator.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The built-in cavity formula flyer detonator, its characterized in that includes: a tube shell (1), a tube body (5) and a reinforcing cap (9);
the pipe body (5) is arranged in the pipe shell (1), the first high explosive (2), the second high explosive (3) and the too-safe explosive (4) are respectively filled in the pipe shell (1) and located at the rear of the pipe body (5), a gauze (6) is arranged on one side, adjacent to the too-safe explosive (4), of the pipe body (5), the gauze (6) and the pipe body (5) are extruded and formed through a plastic extruder, a piston (7) is arranged in the pipe shell (1) and located in front of the pipe body (5), an explosive (8) is filled in the piston (7), and a reinforcing cap (9) is arranged in the pipe shell (1) and located in front of the piston (7);
the second high explosive (3) is filled in front of the first high explosive (2), and the Taian explosive (4) is filled in front of the second high explosive (3);
the density of the Taian explosive (4), the second high explosive (3) and the first high explosive (2) is gradually increased from left to right;
the manufacturing material of the pipe body (5) adopts a high polymer material;
the tissue web (6) is made of cotton, terylene and high polymer materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211670141.5A CN115784825B (en) | 2022-12-26 | 2022-12-26 | Fly sheet detonator with built-in cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211670141.5A CN115784825B (en) | 2022-12-26 | 2022-12-26 | Fly sheet detonator with built-in cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115784825A CN115784825A (en) | 2023-03-14 |
| CN115784825B true CN115784825B (en) | 2023-08-11 |
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| CN202211670141.5A Active CN115784825B (en) | 2022-12-26 | 2022-12-26 | Fly sheet detonator with built-in cavity |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0289184A1 (en) * | 1987-04-30 | 1988-11-02 | Nippon Oil And Fats Company, Limited | Laser beam-detonable blasting cap |
| CN1032234A (en) * | 1987-09-22 | 1989-04-05 | 淮南矿业学院 | Simple flying-piece auget without detonating agent |
| CN1043562A (en) * | 1988-12-20 | 1990-07-04 | 阜新矿务局十二厂 | Industrial detonator using no priming charge |
| CN2059979U (en) * | 1989-11-08 | 1990-08-01 | 淮南矿业学院 | Impact flying crag type percussion cap without detonating powder |
| US5052301A (en) * | 1990-07-30 | 1991-10-01 | Walker Richard E | Electric initiator for blasting caps |
| FR2669724A1 (en) * | 1990-11-22 | 1992-05-29 | France Etat Armement | Laser detonator operating by sheet (plate) projection effect |
| CN201697573U (en) * | 2010-01-14 | 2011-01-05 | 西安庆华民用爆破器材股份有限公司 | Insensitive detonator |
| CN105066800A (en) * | 2015-08-05 | 2015-11-18 | 宏大矿业有限公司 | Split assembled type primary explosive-free electric detonator |
| CN105157483A (en) * | 2015-10-23 | 2015-12-16 | 中北大学 | Separated-type detonating device |
| CN106152886A (en) * | 2016-08-16 | 2016-11-23 | 南京理工大学 | Industry flying plate detonator and film flying excitation apparatus thereof |
| CN109631678A (en) * | 2018-12-26 | 2019-04-16 | 中国工程物理研究院化工材料研究所 | A method of reducing laser initiation energy |
| CN216049474U (en) * | 2021-08-27 | 2022-03-15 | 西安北方庆华机电有限公司 | Ignition mechanism with filtering capability |
| CN115143848A (en) * | 2022-06-02 | 2022-10-04 | 上海鲲程电子科技有限公司 | Assembly process of internal excitation type safety detonator |
-
2022
- 2022-12-26 CN CN202211670141.5A patent/CN115784825B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0289184A1 (en) * | 1987-04-30 | 1988-11-02 | Nippon Oil And Fats Company, Limited | Laser beam-detonable blasting cap |
| CN1032234A (en) * | 1987-09-22 | 1989-04-05 | 淮南矿业学院 | Simple flying-piece auget without detonating agent |
| CN1043562A (en) * | 1988-12-20 | 1990-07-04 | 阜新矿务局十二厂 | Industrial detonator using no priming charge |
| CN2059979U (en) * | 1989-11-08 | 1990-08-01 | 淮南矿业学院 | Impact flying crag type percussion cap without detonating powder |
| US5052301A (en) * | 1990-07-30 | 1991-10-01 | Walker Richard E | Electric initiator for blasting caps |
| FR2669724A1 (en) * | 1990-11-22 | 1992-05-29 | France Etat Armement | Laser detonator operating by sheet (plate) projection effect |
| CN201697573U (en) * | 2010-01-14 | 2011-01-05 | 西安庆华民用爆破器材股份有限公司 | Insensitive detonator |
| CN105066800A (en) * | 2015-08-05 | 2015-11-18 | 宏大矿业有限公司 | Split assembled type primary explosive-free electric detonator |
| CN105157483A (en) * | 2015-10-23 | 2015-12-16 | 中北大学 | Separated-type detonating device |
| CN106152886A (en) * | 2016-08-16 | 2016-11-23 | 南京理工大学 | Industry flying plate detonator and film flying excitation apparatus thereof |
| CN109631678A (en) * | 2018-12-26 | 2019-04-16 | 中国工程物理研究院化工材料研究所 | A method of reducing laser initiation energy |
| CN216049474U (en) * | 2021-08-27 | 2022-03-15 | 西安北方庆华机电有限公司 | Ignition mechanism with filtering capability |
| CN115143848A (en) * | 2022-06-02 | 2022-10-04 | 上海鲲程电子科技有限公司 | Assembly process of internal excitation type safety detonator |
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| CN115784825A (en) | 2023-03-14 |
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